////异步引入




async function getComponent() {  
    const { default:_ } = await import(/* webpackChunkName:"lodash" */'lodash')
    let element = document.createElement('div')
    element.innerHTML = _.join(['111','555','666'],"--")
    return element
}
getComponent().then(res => {
    document.body.appendChild(res)
})
 

import './style.css'